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fix broken sigsetjmp on x86_64
author
Rich Felker
<dalias@aerifal.cx>
Fri, 8 Apr 2011 15:56:52 +0000
(11:56 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Fri, 8 Apr 2011 15:56:52 +0000
(11:56 -0400)
src/signal/x86_64/sigsetjmp.s
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diff --git
a/src/signal/x86_64/sigsetjmp.s
b/src/signal/x86_64/sigsetjmp.s
index
0a45078
..
ac02adb
100644
(file)
--- a/
src/signal/x86_64/sigsetjmp.s
+++ b/
src/signal/x86_64/sigsetjmp.s
@@
-1,11
+1,13
@@
/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */
.global sigsetjmp
sigsetjmp:
/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */
.global sigsetjmp
sigsetjmp:
- test %rsi,%rsi
- jz 1f /* if save == 0, just goto setjmp */
- movq %rsi,64(%rdi) /* move save -> jmp_buf[8] */
- addq $72,%rdi /* add sizeof(jmp_buf) to rdi */
- movl $0,%esi /* arg2 = 0 */
- movl $2,%edx /* arg3 = 2 */
- call sigprocmask /* sigprocmask(jmp_buf, 0, 2) */
+ andl %esi,%esi
+ movq %rsi,64(%rdi)
+ jz 1f
+ pushq %rdi
+ leaq 72(%rdi),%rsi
+ xorl %edx,%edx
+ movl $2,%edi
+ call sigprocmask
+ popq %rdi
1: jmp setjmp
1: jmp setjmp